If there is a clash, this policy will take precedence over 'WebUsbBlockedForUrls' and 'WebUsbAskForUrls' (Allow WebUSB on specific sites). URL patterns in this policy should not clash with the ones configured via 'WebUsbBlockedForUrls' (Block WebUSB on specific sites). If this policy is left not set, the global default value will be used for all sites either from the 'DefaultWebUsbGuardSetting' (Kontrollér bruken av WebUSB API) policy if it is set, or the user's personal configuration otherwise. The URLs in "urls" must be valid URLs, otherwise the policy will be ignored. If only one URL is specified, then access to the corresponding USB devices will be granted when the requesting site's URL matches this URL regardless of embedding status. 1 Enable, Disable USB Drives & Mass Storage Devices using Registry If the administrator is wise, then he would do this to ensure a tight blockade. Therefore, the "urls" field can contain up to two URL strings delimited by a comma to specify the requesting and embedding URL respectively. The requesting URL may be different than the embedding URL when the requesting site is loaded in an iframe. In the Permissions for UserName or GroupName list, click to select the Deny check box next to Full Control. In the Group or user names list, add the user or group that you want to set Deny permissions for. The USB permission model uses the URL of the requesting site ("requesting URL") and the URL of the top-level frame site ("embedding URL") to grant permission to the requesting URL to access the USB device. Right-click the Usbstor.pnf file, and then click Properties. Otherwise, the policy will not be valid and will be ignored. Any ID that is omitted is treated as a wildcard with one exception, and that exception is that a product ID cannot be specified without a vendor ID also being specified. But Group Policy can be extended to use customized settings by applying an ADM template. Each item in devices can contain a vendor ID and product ID field. Original KB number: 555324 Symptoms By default, Group Policy doesn't offer a facility to easily disable drives containing removable media, such as USB ports, CD-ROM drives, Floppy Disk drives, and high capacity LS-120 floppy drives. Each item in the list must contain both devices and urls in order for the policy to be valid. Grant access to specific sites to connect to specific USB devicesĪllows you to set a list of urls that specify which sites will automatically be granted permission to access a USB device with the given vendor and product IDs.
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